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Publication numberUS769355 A
Publication typeGrant
Publication dateSep 6, 1904
Filing dateSep 8, 1903
Priority dateSep 8, 1903
Publication numberUS 769355 A, US 769355A, US-A-769355, US769355 A, US769355A
InventorsCarl Platow
Original AssigneeCarl Platow
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Process of manufacturing fireproof flooring.
US 769355 A
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Description  (OCR text may contain errors)

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UNITED STATES Q.: (J v a 4 7 areal/ udy,

Patented September 6, 1904.

PATENT OFFICE.

CARL PLATOYV, OF LEHE, GERMANY.

PROCESS OF MANUFACTURING FIREPROOF FLOORING.

SPECIFICATION forming part of Letters Patent No. 769,355, dated p mb 6, 1904.

Application filed September 8, 1903- 3 new and useful Improvements in Processes of Manufacturing Fireproof Flooring, of which i the following is a specification.

My invention relates to lmprovem'ents 1n processes of making self-hardenmg composi- 10 tions, and particularly to those processesf wherein cement used as abasis, and has for 1 its objects the production of a plastic compound of greatfacility of application and of highly-non-inflammable properties and capa- 5 bio of setting and becoming integral with the part to which it is applied.

According to my invention I employ an oxychlorid cement, a filling of finelydivided wood fiber, and a Portland cement.

part of commercial ma nesia by weight-1 add two parts of sawt ust ant a thereto a thirtyper-cent. solution of chlorid of ma nesium and then add twenty-five per cent., y u i, o

5 Portland cement. The mass is then applied ie ar ic e o be coated in a pasty condition to a thickness of about one-third of an inch and moistened with a solution of chlorid of ma nesium. 1t is then iea e lJDl 1e 3 parts asslmil'a'te and allowed 'wmam to set for a period of twelve hours, after which a second coating of equal strength is applied.

The surface thus formed is then kneaded and pressed and polished with pumice-stone and thick oil and when smooth may be oiled and waxed.

A flooring or wall protection made and ap- 1 plied according to the herein-described process can by applying suitable color and qual- 4 ity of the fiber .be arranged to represent any In the carrying out of my process to one Serial No. 172,248. (No specimens.)

wood or grain of wood, and the surface to l which it is applied may be rough or smooth. It has particular advantage from the fact that 5 it presents a fireproof covering without scams 1 or joints.

It is obvious that various proportions or relat-ionship of ingredients may be made and i that the various steps of the process may be slightly changed without departing from the spirit and scope of my invention.

hat 1 claim, and desire to secure by Let- I ters Patent, is

1. A process of manufacturing self-hardening compositions that consists in forming a l paste from magnesia, a filling material, a solution of chlorid of magnesium and Portland cement, allowing the mass to dry, moistening with a solution of chlorid of magnesium and heating.

2. A process of manufacturing self-hardening coating compositions that consists in forming a paste from magnesia, a filling material, chlorid of magnesium and Portland cement, al-

tion of chlorid of magnesium, heating, applying a coat of the same composition to the hardened surface, then kneading and polishing.

3. A process of manufacturing self-hardening compositions that consists in forming a paste of magnesia and wood filler by the addition of chlorid of magnesium, adding to the mass Portland cement in suitable quantities, allowing the mass to dry, moistening the mass with a solution of chlorid of magnesium and heating.

CARL PLATOlY.

W'tnesses:

JorI FEHT, CARL SCHILLER.

lowing the mass to dry, moistening with a solu-' ara

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Classifications
Cooperative ClassificationC04B28/32